GATE ME 2022 Set 1 — Question 43
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.MCQ+2 / -0.67MediumViscous Incompressible FlowViscous & Pipe FlowFluid Mechanics
Fluid Mechanics → Viscous & Pipe Flow → Viscous Incompressible Flow
Last updated
Question
A solid spherical bead of lead (uniform density = ) of diameter sinks with a constant velocity in a large stagnant pool of a liquid (dynamic viscosity = ). The coefficient of drag is given by , where the Reynolds number () is defined on the basis of the diameter of the bead. The drag force acting on the bead is expressed as , where is the density of the liquid. Neglect the buoyancy force. Using , the velocity is __________ m/s.
Correct answer
(C) (1)/(18)
Solution
At terminal velocity, the drag force equals the weight of the bead (neglecting buoyancy).
Weight
Drag Force
Given
Substituting into :
Equating :
Given , , , :
.
Weight
Drag Force
Given
Substituting into :
Equating :
Given , , , :
.
Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE ME question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Viscous & Pipe Flow
2026 Set 1 Q24A steady incompressible laminar flow passes through a tube bend placed on a horizontal…2026 Set 1 Q25An ideal gas passes isothermally through a long horizontal uniform cross-section pipe under steady…2026 Set 1 Q26Bernoulli’s equation CANNOT be applied between2026 Set 1 Q29A hydraulic crane supports a mass of with its piston-cylinder actuator, inclined at…2026 Set 1 Q53Water with a density of comes out of an industrial condenser through a…